Beta, beta&#39;-dicyanodiethyl cyanamide



Patented July 15, 1941 I V 2 5]- UNITED STATES PATENT OFFICEfl,fl'-DICYANODIETHYL CYANAIHIDE Ingenuin Hechenbleikner, Stamford,Conn, and Christian Best, Champaign, 111., assignors to AmericanCyanamid Company, New York, N. Y., a corporation of Maine No Drawing.Application April 2, 1940, Serial No. 327,458

1 Claim. (Cl. 260-464) The present invention relates t p,p'-dicya,-solved in 50 cc. of water and allowed to stand one nodiethyl cyanamidehour. The ether layer :is washed with a small The above disubstitutedcyanamide may be amount, of water- The combined Water laye s Y preparedby the reacti b t pfiLdjcyanodL are neutralized and saturatedwith sodiumchloethyl amine, cyanogen chloride and caustic soda 5 ride at The fifi'-y cyanamide which may be represented b th equation; separates as a flakywhite solid. After recrystal- CNSHLCH lization from alcohol the producthas a melting point of 54 C. NH+CNC1+NaOH t This new compound isparticularly useful as cnomcm an intermediate and maybe applied to thein- CNEHLCE: secticide and plastlcizlng arts. 7

While the invention has been described with NCNlNaCH'mO particularreference to specific embodiments it CN.CH1.CH1 is to be understood thatit is not to be limited Example thereto but is to be construed broadlyand restr'cted sol-e1 b the sco e of the a ended grams ofp,p-d1cyanod1ethyl amlne are d1sy y p pp solved in cc. of ether. Aftercooling the amine We claim: 7 solution to about 5 C., a solution of 11grams of AS a new compound, 'sfiudicyanodiethyl cyanogen chloridedissolved in 50 cc. of ether is 20 cyanamide gradually added withstirring. When this additlon is completed, the mixture is agitated witha CHRISTIAN BEST. solution of 4 grams of sodium hydroxide dis- INGENUINZ

